# TRACE vs DD Allocation

The clearest difference is update cadence: DD Allocation at every 4 days against TRACE's every 2 months. TRACE's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRACE ships an update every 2 months, DD Allocation every 4 days. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | TRACE | DD Allocation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/trace-iaea/id1239473992/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 47 MB | 43 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IAEA](https://appshunter.io/developer/535500126) | [Mohamed Zaki](https://appshunter.io/developer/1877286929) |

## What reviewers say

### TRACE

[App page](https://appshunter.io/ios/app/trace-iaea/id1239473992)

This app aids in assessing radiation detection alarms to prevent illicit trafficking of nuclear materials. It provides guidance on naturally occurring radioactive material and harmonized system codes for international trade.

**Highlights:** Radiation alarm assessment, Illicit trafficking prevention, NORM and HS Code guidance, International trade support, Nuclear material security

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DD Allocation

[App page](https://appshunter.io/ios/app/dd-allocation/id6762076848)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TRACE free?

TRACE is free to download, with no in-app purchases.

### Is DD Allocation free?

DD Allocation is free to download, with no in-app purchases.

### Do TRACE or DD Allocation have ads?

Neither TRACE nor DD Allocation shows ads.

### Which is updated more often, TRACE or DD Allocation?

TRACE ships an update every 2 months, and DD Allocation every 4 days. Most recently, TRACE was updated on October 11, 2026 and DD Allocation on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*